alluviation

alluviation The deposition of sediment by a river at any point along its course.
Found on http://www.wordinfo.info/words/index/info/view_unit/1223/

Alluviation

The depositing of gravel or sediment by a river. (See also: accretion, alluvion)
Found on http://www.nolo.com/dictionary/alluviation-term.html
No exact match found